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>>Physics
>>Laws of Motion
>>Newton's Second Law of Motion
>> $A moving body of mass m and velocity v a$

Question

A moving body of mass m and velocity v after colliding from a wall returns back (rebounds) with velocity v. The change in momentum will be

A

$2 m v$

B

$m v$

C

$- m v$

D

zero

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Updated on : 2022-09-05

Solution

Verified by Toppr

Correct option is A)

$∆ P = P_{i} - P_{f}$
$∆ P = m v - m (- v)$
$∆ P = 2 m v$

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